<header id="page-header" class="site-header">
  {% include 'navigation-main.html' %}
  {% if obsolete -%}
  {% if obsolete == true -%}
  <div class="alert alert-warning">
    <h4 class="text-center">
      Some of the content of this page might be out of date.
    </h4>
  </div>
  {% endif -%}
  {% endif -%}
</header>
{% if site.show_banner -%} {% include 'banner.html' %} {%- endif -%}
